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COVID-19 pandemic and air transportation: Successfully navigating the paper hurricane
A connectivity-based methodology for new air route identification
Technological and educational challenges towards pandemic-resilient aviation
How did COVID-19 impact air transportation? A first peek through the lens of complex networks
Delayed reaction towards emerging COVID-19 variants of concern: Does history repeat itself?
Vaccination passports: Challenges for a future of air transportation
High-speed rail and air transport competition and cooperation: A vertical differentiation approach
Effects of high-speed rail and air transport competition on prices, profits and welfare